ERROR_SESSION_CREDENTIAL_CONFLICT - 1219 (0x4C3)

Technical Background

The ERROR_SESSION_CREDENTIAL_CONFLICT error is a specific permission-related issue encountered in Windows environments. This error indicates that multiple connections to a server or shared resource by the same user are being attempted using different user names, which is not allowed due to security and authentication policies.

Error Details

When this error occurs, it signifies an attempt to establish a connection to a server or shared resource with conflicting credentials. The system detects that the same user has already established connections under different identities, leading to a conflict in the security context.

Common Causes

• Invalid Parameter Values: Attempting to connect using multiple distinct user names for the same user identity.
• Incorrect Object Type: Mistakenly treating a directory as a file or vice versa during connection attempts.
• Exceeding Limits: Reaching system limits on concurrent connections from a single user identity.

Real-World Context

This error is commonly encountered in networked environments where users might inadvertently attempt to connect using different credentials, such as when switching between work and personal accounts or when multiple sessions are initiated unintentionally.

Is This Error Critical?

The ERROR_SESSION_CREDENTIAL_CONFLICT can be critical for maintaining security and integrity of the system. It is essential to address this error promptly to prevent potential security breaches and ensure consistent user experience.

How to Diagnose

To diagnose this issue, follow these steps:

1. Review Operation Context: Ensure that only one set of credentials is being used by a single user identity at any given time.
2. Validate Parameters: Verify the consistency of the user names and other parameters used in connection attempts.
3. Confirm Object Types: Confirm that the correct object types (files or directories) are being accessed.
4. Verify Input Data: Check for any corrupted data or incorrect input values that might be causing the conflict.
5. Check Limits or Constraints: Ensure that no system limits on concurrent connections have been exceeded.

How to Resolve

To resolve this issue, take these actions:

1. Correct Parameter Usage: Use consistent user names and parameters for all connection attempts.
2. Adjust Operation Context: Ensure that only one session is active per user identity at any given time.
3. Restore Data: If data corruption is suspected, restore the correct credentials or input values.
4. Retry Operation with Valid Inputs: Attempt to reconnect using valid and consistent parameters.

Developer Notes

Developers should ensure that their applications handle authentication and connection attempts in a way that avoids conflicts by using unique user names for each session and maintaining a single active session per user identity.

Related Errors

• ERROR_INVALID_PARAMETER (1207, 0x4B3)
• ERROR_ACCESS_DENIED (5, 0x5)
• ERROR_TOO_MANY_POSTS (896, 0x380)

FAQ

Q: What does the ERROR_SESSION_CREDENTIAL_CONFLICT error mean?

A: This error indicates that multiple connections to a server or shared resource by the same user are being attempted using different user names.

Q: How can I prevent this error from occurring?

A: Ensure consistent use of user names and parameters, and maintain only one active session per user identity at any given time.

Summary

The ERROR_SESSION_CREDENTIAL_CONFLICT is a specific permission-related issue in Windows environments. It occurs when multiple connections are attempted using different user names for the same user identity. Addressing this error involves diagnosing the cause, ensuring consistent parameter usage, and maintaining proper session management to prevent security risks.